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Inventor

GUOLU ZHENG

Inventor
CN

Overview

1→
Patents
2023
Patent span
Performing operations
Primary field (CPC B)

Patents· 1 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B21Bprimary
B21BRolling of metal20%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling20%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material20%
B21HMaking particular metal objects by rolling, e.g. screws, wheels, rings, barrels, balls20%
F16CShafts20%
PatentTitleYear
11,679,426Rolling-bulging forming hydraulic machine for tubular products2023

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023Patents assigned to UNIV YANSHAN (1)· patent assignee history
2023Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV YANSHAN12023
Locations
LocationPatentsSpan
CN12023